1 . 已知A(1,12),B(3,4),过点C(﹣1,0)且斜率为k的直线l1与线段AB相交,点D(0,1)到直线l2:3x+4y+k=0的距离为d,则实数d的取值范围是 __ .
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6卷引用:四川省达州市2020-2021学年高一下学期期末数学(理)试题
四川省达州市2020-2021学年高一下学期期末数学(理)试题四川省眉山市彭山区第一中学2021-2022学年高二上学期入学考试数学试题(已下线)专题2.8 直线的交点坐标与距离公式-重难点题型检测-2021-2022学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)试卷10(第1章-3.3抛物线)-2021-2022学年高二数学易错题、精典题滚动训练(苏教版2019选择性必修第一册)沪教版(2020) 选修第一册 精准辅导 第1章 1.4 点到直线的距离(已下线)1.5 平面上的距离(练习)-高二数学同步精品课堂(苏教版2019选择性必修第一册)
解题方法
2 . 在平行四边形
中,
,
,
,
是线段
的中点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77f1b9b728f39d0d9618504567eeb96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994c0bc70a141ea847be5461b0fde77d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6615f59575a76ac534adfe0e5a415671.png)
有两个不同的零点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6615f59575a76ac534adfe0e5a415671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c235ca725ade5c8b07943ac106a90fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
4 . 在
中,若
,则
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69203c3447c1b8d3d17ea4e3f1290b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.等腰三角形 | B.等边三角形 | C.直角三角形 | D.钝角三角形 |
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3卷引用:四川省达州市2020-2021学年高一下学期期末数学(理)试题
名校
解题方法
5 . 已知
是数列
的前
项和,
.
(1)求
的通项公式;
(2)若
,求数列
前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be425167c4cf003028d17267a0eade2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143e5b62002dc80525a18d5aec8d7987.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be425167c4cf003028d17267a0eade2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/584911ef68bef907faf3470fed90d4e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/492959aeba0d544206bf06dcc875d5e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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3卷引用:四川省达州市2020-2021学年高一下学期期末数学(理)试题
6 . 在等比数列
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d211c5a622d0be3b39931d814f9a683.png)
_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037636f394c02603d77de564dd579c3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ccdbc7f7c07a801898443705a92850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f86a8746a583f411fb73c6334eb27b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d211c5a622d0be3b39931d814f9a683.png)
您最近一年使用:0次
名校
7 . 汽车正常行驶中,轮胎上与道路接触的部分叫轮胎道路接触面.如图,一辆小汽车前左轮胎道路接触面上有一个标记
, 标记
到该轮轴中心的距离为
.若该小汽车启动时,标记
离地面的距离为
,汽车以
的速度在水平地面匀速行驶,标记
离地面的高度
(单位:
)与小汽车行驶时间
(单位:
)的函数关系式是
,其中
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b8b26f0eb807c4f2a6a4de36145f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ae142042f3874cec067dd2389a5516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6e39016d24a856b6e943bb2495707c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65502a7ea4d1ce6d6d8c720845c73e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d324cae510d98073af49fbe3efbe43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6af3e2115ce0aaf5b99ac70c4441d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/a0705cdd-011b-45d6-a4d2-30fff818261c.png?resizew=204)
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7卷引用:四川省达州市2020-2021学年高一下学期期末数学(理)试题
四川省达州市2020-2021学年高一下学期期末数学(理)试题(已下线)5.7 三角函数的应用--2021--2022高一上学期数学新教材配套提升训练(人教A版2019必修第一册)江西省抚州市临川第二中学2021-2022学年高一下学期第一次月考数学试题2023版 苏教版(2019) 必修第一册 名校名师卷 第十二单元 三角函数的图象和性质、三角函数应用A卷2023版 湘教版(2019) 必修第一册 名师精选卷 第十三单元 函数y=Asin(ωx+φ)的图象与性质、三角函数模型的简单应用B卷2023版 湘教版(2019) 必修第一册 过关斩将 第5章 5.5三角函数模型的简单应用(已下线)突破5.7 三角函数的应用(重难点突破)-【新教材优创】突破满分数学之2022-2023学年高一数学重难点突破+课时训练 (人教A版2019必修第一册)
解题方法
8 . 如图,某人身高
,他站的地点
和云南大理文笔塔塔底
在同水平线上,他直立时,测得塔顶
的仰角
(点
在线段
上,忽略眼睛到头顶之间的距离,下同).他沿线段
向塔前进
到达点
,在点
直立时,测得塔顶
的仰角
:塔尖MN的视角
(
是塔尖底,在线段
上).
![](https://img.xkw.com/dksih/QBM/2021/7/1/2754872852873216/2781076809252864/STEM/98bd4bdc-fae1-4c25-b0a0-b847bfac9913.png?resizew=331)
(1)求塔高
;
(2)此人在线段
上离点
多远时,他直立看塔尖
的视角最大?说明理由.
参考数据:
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad35c8e3dc9a0a2d7e17f235593a725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a2dfdcdab05b60a1ee81a74061e86d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4cfef623a9534b5708df5f95f1760a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d98a867c15065700a04ccf6a3b9e6529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8515118a6137f3323fa74730747559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79673bc5b6037d6516df1be25e0d2d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4cfef623a9534b5708df5f95f1760a5.png)
![](https://img.xkw.com/dksih/QBM/2021/7/1/2754872852873216/2781076809252864/STEM/98bd4bdc-fae1-4c25-b0a0-b847bfac9913.png?resizew=331)
(1)求塔高
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4cfef623a9534b5708df5f95f1760a5.png)
(2)此人在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e21c6c8df2c8aaf99721ada68fe59cfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892c71122fab5d95df9db7a94ca62d63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39631c8b0f107dce57c8edc2ab0d8fd3.png)
您最近一年使用:0次
2021-08-07更新
|
1780次组卷
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7卷引用:四川省达州市2020-2021学年高一下学期期末数学(理)试题
四川省达州市2020-2021学年高一下学期期末数学(理)试题(已下线)第10课时 课后 两角和、差的余弦、正弦和正切公式(2)(已下线)第13课时 课中 余弦定理、正弦定理应用举例(已下线)6.4平面向量的应用C卷(已下线)第14练 三角恒等变换-2022年【寒假分层作业】高一数学(人教A版2019选择性必修第一册)专题06正弦定理、余弦定理解的实际应用(已下线)专题3 最佳视角 米勒定理【练】
9 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f48f28278776f494c801b4b2ab6e8c7.png)
的部分图象如图,
的最小正零点是
,
的单调递增区间是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/f23ffdd6-ae40-4bd6-b9a4-18a3612c642f.png?resizew=141)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f48f28278776f494c801b4b2ab6e8c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258d6b132f196bbf61e7367b16f52e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a087749d28290a98d8177160b34961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/f23ffdd6-ae40-4bd6-b9a4-18a3612c642f.png?resizew=141)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
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2卷引用:四川省达州市2020-2021学年高一下学期期末数学(理)试题
10 . 已知
是等差数列,
,
是函数
的两个不同零点.
(1)求数列
的通项公式;
(2)若
,
,
,
都是数列
前
项中的项,
,
,
是公比为
的等比数列,
,
,
成等差数列.当
最大时,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be425167c4cf003028d17267a0eade2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97626d5e7670845c781eb7fd0e7a5bf5.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be425167c4cf003028d17267a0eade2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681ae1522a36768618f7ddaf74abbb7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5566b1d828acdac47fe50216d247cfac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93301f9e8004bf6c59804e1ae601bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8705064bb1ac4934b21bb5a01eff6c7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be425167c4cf003028d17267a0eade2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e595b1cc755cf0dd076e91cf9e9a3e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681ae1522a36768618f7ddaf74abbb7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5566b1d828acdac47fe50216d247cfac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93301f9e8004bf6c59804e1ae601bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4a1d8769679a9bb3eb8c9d29b57c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5566b1d828acdac47fe50216d247cfac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93301f9e8004bf6c59804e1ae601bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8705064bb1ac4934b21bb5a01eff6c7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0646b3d61c56d4c3bc52e532bea0585a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8705064bb1ac4934b21bb5a01eff6c7e.png)
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